body {
    font-size: 14px;
    /*表盘字体颜色*/
    color: #ffffff;
    font-family: microsoft yahei, times new roman, Times, serif;
    /*背景图片*/
    background-image: url(../img/BG2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment:fixed;
    background-position: center;
    background-color: #fff;
    padding: 0;
    margin: 0
}

.clock {
    list-style: none;
    margin: auto;
    padding: 0;
    width: 700px;
    height: 700px;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    line-height: 20px;
    user-select: none
}

.clock .date {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 20px;
    text-align: center;
    top: 340px;
    left: 0
}

.clock .hour {
    position: absolute;
    z-index: 3;
    width: 360px;
    height: 20px;
    top: 340px;
    left: 170px;
    transition: transform .3s ease-in-out 0s;
    transform: rotate(0deg)
}

.clock .hour > div {
    position: absolute;
    width: 100%;
    right: 0;
    top: 0;
    transition: transform 1s ease-in-out 0s;
    transform: rotate(0deg)
}

.clock .hour > div > div {
    float: right;
    width: 60px;
    text-align: right
}

.clock .minute {
    position: absolute;
    z-index: 4;
    width: 520px;
    height: 20px;
    top: 340px;
    left: 90px
}

.clock .sec {
    position: absolute;
    z-index: 5;
    width: 680px;
    height: 20px;
    top: 340px;
    left: 10px
}

.clock > hr {
    height: 0;
    width: 0%;
    position: absolute;
    z-index: 1;
    /*指针颜色*/
    border: #ffffff solid 0;
    border-bottom-width: 1px;
    margin: 10px 0 0;
    left: 50%;
    top: 50%;
    transition: width .3s ease-in-out 0s;
    overflow: visible
}

.clock > hr.active:before {
    content: '';
    display: block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #000;
    top: -2px;
    left: 0;
    position: absolute
}

.clock .copyright {
    position: absolute;
    font-size: 42px;
    width: 300px;
    line-height: 40px;
    left: 200px;
    opacity: .1;
    color: red;
    text-align: center;
    top: 330px;
    letter-spacing: 10px;
    transform: rotate(-35deg)
}